S-94768A112 31 mm ID x 48 mm OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Exceptional durability provided by Rockwell B83 hardness, ensuring the washer maintains shape and function under heavy loads.
• Precise fit for M30 screws with 31 mm inner diameter, reducing installation errors and improving assembly efficiency.
• Optimal load distribution thanks to the 48 mm outer diameter and 6.0–6.9 mm thickness, minimizing surface damage and extending equipment life.
• Compliance with strict regulations including RoHS 3 and REACH, ensuring safe use in global markets and sensitive industries.
• Reliable performance in metric systems, designed for seamless integration with standard metric hardware and fastening solutions.
• Long-term cost savings due to high material quality and resistance to wear, reducing replacement frequency and maintenance downtime.

Professional Applications & Engineering Value

This M30 flat washer is engineered to address common industrial challenges such as joint loosening, surface abrasion, and corrosion-induced failures. Made from 18-8 stainless steel, it offers excellent resistance to rust and chemicals, making it suitable for demanding sectors like construction, machinery assembly, and marine equipment. The metric dimensions (31 mm ID, 48 mm OD, and 6 mm thickness) ensure a secure fit for M30 screws, distributing clamp load evenly to prevent bolt fatigue and material deformation. With a Rockwell B83 hardness, it withstands high-stress applications without compromising integrity, while the flat washer design enhances stability in dynamic or vibrating environments. Ideal for heavy-duty industrial washers needs, this component supports reliable, long-term performance in corrosive or high-load settings.

Specification Summary & Compliance

This flat washer features precise metric sizing with an inner diameter of 31 mm, outer diameter of 48 mm, and thickness ranging from 6.0 to 6.9 mm, designed for use with M30 screw sizes. Manufactured from 18-8 stainless steel with a hardness of Rockwell B83, it adheres to standard metric system requirements for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial hardware applications.